def setUp(self):
self.working_path = tempfile.mkdtemp()
self.harvester = TwitterHarvester(self.working_path)
self.harvester.state_store = DictHarvestStateStore()
self.harvester.message = base_search_message
self.harvester.result = HarvestResult()
self.harvester.stop_harvest_seeds_event = threading.Event()
